Home / 5,456.92-7,530.60-2,972.92

Finding the Fourth Proportional to 5,456.92, 7,530.60 and 2,972.92

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Solution

The fourth proportional to 5,456.92, 7,530.60 and 2,972.92 is: 4,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.92 : 7,530.60 = 2,972.92 : x
  2. Step 2: Convert to fraction form
    5,456.92/7,530.60 = 2,972.92/x
  3. Step 3: Cross multiply
    5,456.92x = 7,530.60 × 2,972.92
  4. Step 4: Simplify right side
    5,456.92x = 22,387,871.35
  5. Step 5: Solve for x
    x = 22,387,871.35/5,456.92
  6. Step 6: Final answer
    x = 4,102.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.